[    1.753308] ip (266) used greatest stack depth: 12456 bytes left
[    1.889407] ip (285) used greatest stack depth: 12184 bytes left
[   73.753089] netem: version 1.3
[  611.087807] tc (24871) used greatest stack depth: 11880 bytes left
[  676.961619] pm_nl_ctl (29001) used greatest stack depth: 11832 bytes left